High quality print on improved paper that looks like watercolor paper, without the signature, of course
The prints have a border of white around them, so it looks better in a frame.
A4: 21 x 29,7 cm or 8,3 x 11,7 inches
A3: 29.7 x 42.0cm or 11.69 x 16.53 inches
Paper structure on the second image